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How the deadly virus worked its way through western Africa
Guinea confirms a previously unidentified fever hemorrhagic fever that killed more than 50 people, its Ebola -
Spreading more
Liberia reports two more cases of Ebola; suspected cases in Sierra Leone -
spreading
with deaths above 350, making the West African outbreak the worst on record, Medecins Sans Frontierea (MSF) warns the epidemic's spread is "unprecendented." -
spreading
Nigeria confirms its first Ebola case, a man who died in Lagos after traveling from Monrovia -
shuts down schools
Liberia shuts down schools, quarantines the worst-affected communities, using troops for enforcement -
international
A World Health Organization (WHO) declares Ebola "internation public health emergency" -
Still spreading
WHO says death toll tops 1,000 approves of unproven drugs or vaccines -
spreading
MSF says epidemic will take about six months to control -
spreading
Security forcesd in Monrovia fire shots, tear gas to disperse crowd trying to break out of quarantine, killing teen -
death toll
WHO puts death toll above 1,550, warns outbreak could infect more than 20,000.